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|
use futures_util::StreamExt;
use reqwest::Client;
use std::{
collections::HashMap,
fs::{copy, read_dir, remove_file, rename, File},
io::Write,
};
use crate::{
cache::{copy_cached_version, get_cached_versions},
config::Cfg,
db::{mods_get_info, userlist_add_disabled_versions},
error::{ErrorType, MLError, MLE},
modrinth::Version,
List,
};
pub async fn download_versions(list: List, config: Cfg, versions: Vec<Version>) -> MLE<String> {
let mut cached = get_cached_versions(&config.cache);
// println!("{:#?}", cached);
let dl_path = String::from(&list.download_folder);
println!(" └Download mods to {}", dl_path);
for ver in versions {
let project_info = mods_get_info(config.clone(), &ver.project_id)?;
//Check cache if already downloaded
let c = cached.remove(&ver.id);
if c.is_some() {
print!(
"\t└({})Get version {} from cache",
project_info.title, ver.id
);
//Force flush of stdout, else print! doesn't print instantly
std::io::stdout().flush()?;
copy_cached_version(&c.unwrap(), &dl_path);
println!(" ✓");
} else {
print!("\t└({})Download version {}", project_info.title, ver.id);
//Force flush of stdout, else print! doesn't print instantly
std::io::stdout().flush().unwrap();
let files = ver.files;
let file = match files.clone().into_iter().find(|f| f.primary) {
Some(f) => f,
None => files[0].clone()
};
let mut splitname: Vec<&str> = file.filename.split('.').collect();
let extension = match splitname.pop().ok_or("") {
Ok(e) => e,
Err(..) => return Err(MLError::new(ErrorType::Other, "NO_FILE_EXTENSION")),
};
let filename = format!(
"{}.mr.{}.{}.{}",
splitname.join("."),
ver.project_id,
ver.id,
extension
);
download_file(
file.url,
list.clone().download_folder,
filename.clone(),
)
.await?;
println!(" ✓");
//Copy file to cache
print!("\t └Copy to cache");
//Force flush of stdout, else print! doesn't print instantly
std::io::stdout().flush().unwrap();
let dl_path_file = format!("{}/{}", list.download_folder, filename);
let cache_path = format!("{}/{}", &config.clone().cache, filename);
// println!("{}:{}", dl_path_file, cache_path);
copy(dl_path_file, cache_path)?;
println!(" ✓");
}
}
Ok(dl_path)
}
async fn download_file(url: String, path: String, name: String) -> MLE<()> {
let dl_path_file = format!("{}/{}", path, name);
let res = Client::new().get(String::from(&url)).send().await?;
// download chunks
let mut file = File::create(&dl_path_file)?;
let mut stream = res.bytes_stream();
while let Some(item) = stream.next().await {
let chunk = item?;
file.write_all(&chunk)?;
}
Ok(())
}
pub fn disable_version(
config: Cfg,
current_list: List,
versionid: String,
mod_id: String,
) -> MLE<()> {
//println!("Disabling version {} for mod {}", versionid, mod_id);
let file = get_file_path(current_list.clone(), String::from(&versionid))?;
let disabled = format!("{}.disabled", file);
rename(file, disabled)?;
userlist_add_disabled_versions(config, current_list.id, versionid, mod_id)?;
Ok(())
}
pub fn delete_version(list: List, version: String) -> MLE<()> {
let file = get_file_path(list, version)?;
remove_file(file)?;
Ok(())
}
pub fn get_file_path(list: List, versionid: String) -> MLE<String> {
let mut names: HashMap<String, String> = HashMap::new();
for file in read_dir(list.download_folder)? {
let path = file?.path();
if path.is_file() {
let pathstr = match path.to_str().ok_or("") {
Ok(s) => s,
Err(..) => return Err(MLError::new(ErrorType::Other, "INVALID_PATH")),
};
let namesplit: Vec<&str> = pathstr.split('.').collect();
let ver_id = namesplit[namesplit.len() - 2];
names.insert(String::from(ver_id), String::from(pathstr));
}
}
let filename = match names.get(&versionid).ok_or("") {
Ok(n) => n,
Err(..) => {
return Err(MLError::new(
ErrorType::ArgumentError,
"VERSION_NOT_FOUND_IN_FILES",
))
}
};
Ok(filename.to_owned())
}
pub fn get_downloaded_versions(list: List) -> MLE<HashMap<String, String>> {
let mut versions: HashMap<String, String> = HashMap::new();
for file in read_dir(&list.download_folder)? {
let path = file?.path();
if path.is_file() && path.extension().ok_or("BAH").unwrap() == "jar" {
let pathstr = path.to_str().ok_or("BAH").unwrap();
let namesplit: Vec<&str> = pathstr.split('.').collect();
versions.insert(
String::from(namesplit[namesplit.len() - 3]),
String::from(namesplit[namesplit.len() - 2]),
);
}
}
Ok(versions)
}
pub fn clean_list_dir(list: &List) -> MLE<()> {
let dl_path = &list.download_folder;
println!(" └Clean directory for: {}", list.id);
for entry in std::fs::read_dir(dl_path)? {
let entry = entry?;
std::fs::remove_file(entry.path())?;
}
Ok(())
}
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